Adrenal gland, Biology

Assignment Help:

ADRENAL OR SUPRARENAL GLANDS (GLANDS OF EMERGENCY) -

  • These are paired structures located on the top of the kidneys.
  • Each adrenal gland has two parts external adrenal cortex and internal adrenal medulla.
  • The adrenal cortex is derived from the mesoderm of the embryo & adrenal medulla from the ectoderm.
  • The cortex is surrounded by a fibrous capsule.
  • The adrenal cortex is differentiated into three regions or zones -

             (i) Outer, thin zona glomerulosa (15% of the gland)

             (ii) Middle, thick zona fasciculata (50% of the gland)

             (iii) Inner, thin zona reticularis (7% of the gland).

  • The cells of the zona fasciculata and zona reticularis contain vitamin C (ascorbic acid).

655_adrenal gland.png


Related Discussions:- Adrenal gland

Explain radiology, Radiology is a medical specialty that employs the use of...

Radiology is a medical specialty that employs the use of imaging to both diagnose and treat disease visualised within the human body. Radiologists use an array of imaging technolog

Pour plate method, what is advantages and disadvantages of the pour plate m...

what is advantages and disadvantages of the pour plate method

Define hexokinase, Hexokinase, that catalyzes the first irreversible step o...

Hexokinase, that catalyzes the first irreversible step of glycolysis, is inhibited by glucose 6-phosphate.   Thus  when  PFK  is  inhibited and  fructose  6-phosphate builds  up an

Define aids, Which one of the following statements is correct with respect ...

Which one of the following statements is correct with respect to AIDS? 1. The HIV can be transmitted through eating food together with an infected person 2. Drug addicts are

Difference between smooth and rough endoplasmic reticulum, What is the diff...

What is the difference among smooth and rough endoplasmic reticulum?       Ans) The endoplasmic reticulum is a fine membranous structure contiguous to the nuclear membrane and p

Define reagents required and methodology for benedict test, Define reagents...

Define reagents required and methodology for Benedict Test? Reagents Required - Sugar solutions of glucose, fructose, galactose, maltose, lactiose, sucrose and starch.

Classify bones structurally and embryologically, Classify bones structurall...

Classify bones structurally and embryologically(developmentally). Structural classification of bone: Macroscopically can be classified into two types, compact and trabecul

Physical signs of aortic regurgitation, Q. Physical Signs of aortic regurgi...

Q. Physical Signs of aortic regurgitation? Chronic severe aortic regurgitation is characterized by wide pulse pressure and multiple peripheral signs it produces. Sharp rapid up

Explain about tropical rain forests, Q. Explain about Tropical Rain Forests...

Q. Explain about Tropical Rain Forests? As you approach the equator the climate becomes increasingly hot and seasonal variation in climate decreases resulting in practically th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd